APA (7th ed.) Citation

Mahmoud, A. N., Mentias, A., Elgendy, A. Y., Qazi, A., Barakat, A. F., Saad, M., . . . Elgendy, I. Y. (2018). Migraine and the risk of cardiovascular and cerebrovascular events: A meta-analysis of 16 cohort studies including 1 152 407 subjects. BMJ open, 8(3), e020498. https://doi.org/10.1136/bmjopen-2017-020498

Chicago Style (17th ed.) Citation

Mahmoud, Ahmed N., et al. "Migraine and the Risk of Cardiovascular and Cerebrovascular Events: A Meta-analysis of 16 Cohort Studies Including 1 152 407 Subjects." BMJ Open 8, no. 3 (2018): e020498. https://doi.org/10.1136/bmjopen-2017-020498.

MLA (9th ed.) Citation

Mahmoud, Ahmed N., et al. "Migraine and the Risk of Cardiovascular and Cerebrovascular Events: A Meta-analysis of 16 Cohort Studies Including 1 152 407 Subjects." BMJ Open, vol. 8, no. 3, 2018, p. e020498, https://doi.org/10.1136/bmjopen-2017-020498.